30145125315511 has 4 divisors (see below), whose sum is σ = 30145212814000. Its totient is φ = 30145037817024.

The previous prime is 30145125315469. The next prime is 30145125315541. The reversal of 30145125315511 is 11551352154103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30145125315511 - 2⁹ = 30145125314999 is a prime.

It is a super-3 number, since 3×30145125315511³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30145125315541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43230411 + ... + 43922188.

It is an arithmetic number, because the mean of its divisors is an integer number (7536303203500).

Almost surely, 2^{30145125315511} is an apocalyptic number.

30145125315511 is a deficient number, since it is larger than the sum of its proper divisors (87498489).

30145125315511 is an equidigital number, since it uses as much as digits as its factorization.

30145125315511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87498488.

The product of its (nonzero) digits is 45000, while the sum is 37.

Adding to 30145125315511 its reverse (11551352154103), we get a palindrome (41696477469614).

The spelling of 30145125315511 in words is "thirty trillion, one hundred forty-five billion, one hundred twenty-five million, three hundred fifteen thousand, five hundred eleven".